/* ===== 播灵 营销落地页样式 ===== */
:root{
  --blue:#1B6BFF;
  --blue-d:#0C46C2;
  --blue-l:#5B92FF;
  --cyan:#22D3EE;
  --pink:#FF3D8B;
  --amber:#FFB020;
  --ink:#0E1B33;
  --ink-2:#2A3A57;
  --muted:#5C6E8C;
  --line:#E2E9F5;
  --bg:#F4F8FF;
  --card:#FFFFFF;
  --dark:#0A1730;
  --dark-2:#0F2447;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(20,50,120,.08);
  --shadow-lg:0 24px 60px rgba(20,50,120,.16);
  --maxw:1180px;
  --grad:linear-gradient(120deg,#1B6BFF 0%,#3D8BFF 45%,#22D3EE 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:84px}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.ic{width:1em;height:1em;display:inline-block;vertical-align:-.14em;flex:none}
svg.ic{color:currentColor;overflow:visible}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.72em 1.4em;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(27,107,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(27,107,255,.4)}
.btn-outline{border-color:var(--blue);color:var(--blue);background:#fff}
.btn-outline:hover{background:#EAF2FF}
.btn-ghost{color:var(--ink-2);border-color:var(--line);background:#fff}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{padding:.9em 1.9em;font-size:16px}
.btn-block{width:100%}

/* ===== 导航 ===== */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:22px;height:68px;position:relative}
.brand{display:flex;align-items:center;gap:11px}
.brand-logo{width:42px;height:42px;border-radius:12px;flex:none;box-shadow:0 6px 16px rgba(27,107,255,.28)}
.footer-logo{width:46px;height:46px;box-shadow:0 6px 18px rgba(27,107,255,.32)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;letter-spacing:.5px}
.brand-text span{font-size:11.5px;color:var(--muted)}
.nav-links{display:flex;gap:20px;margin-left:auto;font-size:14.5px;color:var(--ink-2)}
.nav-links a{padding:6px 2px;transition:.2s;position:relative}
.nav-links a:hover{color:var(--blue)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--grad);transition:.25s}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;gap:10px;margin-left:8px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:2px;background:var(--ink);border-radius:2px}

/* ===== Hero ===== */
.hero{position:relative;padding:56px 0 26px;overflow:hidden}
.hero-glow{position:absolute;top:-260px;right:-160px;width:720px;height:720px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,107,255,.22),rgba(34,211,238,.10) 45%,transparent 70%);filter:blur(10px)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--blue);
  background:#E9F1FF;padding:7px 14px;border-radius:999px}
.eyebrow.light{color:#9FC4FF;background:rgba(90,140,255,.16)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(27,107,255,.14)}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.1;margin:20px 0 16px;letter-spacing:-.5px;font-weight:800}
.hero-sub{font-size:17px;color:var(--muted);max-width:560px}
.hero-points{list-style:none;margin:22px 0;display:grid;gap:11px}
.hero-points li{display:flex;align-items:center;gap:10px;font-size:15.5px;color:var(--ink-2);font-weight:500}
.hero-points .ic{width:20px;height:20px;color:#fff;background:var(--grad);border-radius:50%;padding:3px;flex:none}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-size:26px;color:var(--ink);font-weight:800}
.hero-stats strong span{font-size:14px;color:var(--blue);margin-left:2px;font-weight:700}
.hero-stats em{font-size:12.5px;color:var(--muted);font-style:normal}

.hero-visual{position:relative;height:520px;display:flex;align-items:center;justify-content:center}
.hero-phone{position:relative;width:276px;height:508px;border-radius:36px;background:#0A1730;padding:10px;
  box-shadow:var(--shadow-lg);z-index:2;animation:floaty 6s ease-in-out infinite}
.phone-notch{position:absolute;top:16px;left:50%;transform:translateX(-50%);width:74px;height:7px;border-radius:99px;background:rgba(255,255,255,.28);z-index:3}
.phone-screen{width:100%;height:100%;border-radius:28px;overflow:hidden;position:relative;
  background:radial-gradient(120% 60% at 50% 0%,#1B4DE0,#0B1B3A 70%);display:flex;flex-direction:column;color:#fff}
.ps-top{display:flex;align-items:center;gap:8px;padding:26px 14px 10px;font-size:10.5px}
.ps-live{background:#FF2D55;border-radius:99px;padding:2px 7px;display:flex;align-items:center;gap:4px;font-weight:800;letter-spacing:.4px}
.ps-live b{width:5px;height:5px;border-radius:50%;background:#fff;animation:blink 1.2s infinite}
.ps-name{font-weight:700;color:#EAF1FF}
.ps-view{margin-left:auto;color:#9FC4FF;background:rgba(255,255,255,.1);padding:2px 8px;border-radius:99px}
.ps-stage{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.ps-avatar{width:88px;height:88px;border-radius:50%;background:linear-gradient(135deg,#5B92FF,#22D3EE);color:#06152E;
  display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:900;letter-spacing:1px;z-index:2;
  box-shadow:0 12px 30px rgba(34,211,238,.45)}
.ps-ring{position:absolute;top:50%;left:50%;width:88px;height:88px;border-radius:50%;border:2px solid rgba(120,190,255,.5);transform:translate(-50%,-50%)}
.ps-ring.r1{animation:ripple 2.6s ease-out infinite}
.ps-ring.r2{animation:ripple 2.6s ease-out infinite 1.3s}
@keyframes ripple{0%{width:88px;height:88px;opacity:.7}100%{width:210px;height:210px;opacity:0}}
.ps-label{font-size:10.5px;color:#B9D2FF;background:rgba(255,255,255,.1);padding:3px 10px;border-radius:99px;z-index:2}
.ps-chat{padding:0 12px 8px;display:flex;flex-direction:column;gap:6px}
.ps-b{font-size:10.5px;line-height:1.45;padding:6px 10px;border-radius:12px;max-width:82%;background:rgba(255,255,255,.12);color:#E6EEFF;align-self:flex-start}
.ps-b.me{align-self:flex-end;background:linear-gradient(135deg,#2E7BFF,#22D3EE);color:#fff;font-weight:600}
.ps-input{margin:0 12px 14px;padding:9px 12px;border-radius:99px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#A9C0E4}
.ps-input .ic{width:16px;height:16px;color:#7FB2FF}
.hero-mascot{position:absolute;width:212px;bottom:-20px;left:-58px;z-index:4;filter:drop-shadow(0 22px 34px rgba(15,40,90,.28));animation:floaty 5s ease-in-out infinite .6s}
.float-chip{position:absolute;z-index:5;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:14px;padding:9px 14px;font-size:13.5px;font-weight:600;color:var(--ink-2);
  box-shadow:var(--shadow);display:flex;align-items:center;gap:8px}
.float-chip .ic{width:18px;height:18px;color:var(--blue)}
.float-chip.c1{top:54px;left:-14px;animation:floaty 4.6s ease-in-out infinite}
.float-chip.c2{top:190px;right:-16px;animation:floaty 5.4s ease-in-out infinite .4s}
.float-chip.c3{bottom:70px;right:6px;animation:floaty 4.9s ease-in-out infinite .8s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-13px)}}
@keyframes floaty-s{0%,100%{transform:scale(.58) translateY(0)}50%{transform:scale(.58) translateY(-8px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}

.scene-strip{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 24px;display:flex;align-items:center;gap:26px;box-shadow:var(--shadow);flex-wrap:wrap}
.scene-label{font-size:13px;color:var(--muted);font-weight:600;padding-right:22px;border-right:1px solid var(--line)}
.scene-items{display:flex;gap:34px;flex-wrap:wrap}
.scene-items div{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600;color:var(--ink-2)}
.scene-items .ic{width:22px;height:22px;color:var(--blue)}

/* ===== 通用 section ===== */
.section{padding:80px 0}
.section-alt{background:linear-gradient(180deg,#FFFFFF, #F0F6FF)}
.section-dark{background:radial-gradient(1200px 500px at 80% -10%,#16376B,transparent),var(--dark);color:#EAF1FF}
.section-trend{background:radial-gradient(900px 400px at 15% 0,#123468,transparent),linear-gradient(180deg,#0A1730,#0D2043);color:#EAF1FF;padding:70px 0}
.section-head{max-width:720px;margin:0 auto 46px;text-align:center}
.section-head h2{font-size:clamp(25px,3.2vw,38px);font-weight:800;letter-spacing:-.4px;margin:16px 0 12px;line-height:1.2}
.section-head p{color:var(--muted);font-size:16.5px}
.section-head.light h2{color:#fff}
.section-head.light p{color:#A9C0E4}

/* 趋势 */
.trend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.trend-card{background:rgba(255,255,255,.05);border:1px solid rgba(120,160,230,.22);border-radius:var(--radius);padding:30px 26px;backdrop-filter:blur(6px)}
.trend-card strong{font-size:44px;font-weight:800;color:#fff;letter-spacing:-1px}
.trend-card strong span{font-size:17px;color:var(--cyan);margin-left:4px}
.trend-card p{color:#A9C0E4;font-size:14.5px;margin-top:12px}
.trend-note{text-align:center;color:#6E88B0;font-size:12.5px;margin-top:26px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;position:relative;transition:.25s;overflow:hidden}
.pain-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#CFE0FF}
.pain-num{font-size:52px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1;opacity:.9}
.pain-card h3{font-size:20px;margin:10px 0 12px}
.pain-card p{color:var(--muted);font-size:14.5px}
.pain-card b{color:var(--pink)}
.pain-bar{margin-top:18px;height:10px;border-radius:99px;background:#EEF3FB;position:relative}
.pain-bar span{position:absolute;inset:0 40% 0 0;background:linear-gradient(90deg,var(--pink),#FF7AB0);border-radius:99px}
.pain-bar b{position:absolute;right:0;top:-26px;font-size:13px;color:var(--pink)}
.pain-cap{margin-top:9px;font-size:12.5px;color:var(--muted)}
.pain-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pain-list li{background:#EEF4FF;color:var(--blue-d);font-size:12.5px;padding:5px 12px;border-radius:99px;font-weight:600}
.pain-wave{display:flex;gap:8px;margin-top:18px}
.pain-wave span{flex:1;text-align:center;font-size:12.5px;padding:8px 0;border-radius:10px;font-weight:600}
.pain-wave span:nth-child(1){background:#E4F7ED;color:#178A4E}
.pain-wave span:nth-child(2){background:#FFF3DE;color:#B87A00}
.pain-wave span:nth-child(3){background:#FFE7EF;color:#C4265E}

/* 解决方案 */
.solve-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.solve-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;transition:.25s}
.solve-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#CFE0FF}
.solve-ic{width:54px;height:54px;border-radius:15px;background:linear-gradient(135deg,#E9F1FF,#DDF7FF);display:flex;align-items:center;justify-content:center;color:var(--blue);margin-bottom:18px}
.solve-ic .ic{width:28px;height:28px}
.solve-card h3{font-size:18.5px;margin-bottom:6px}
.solve-pain{font-size:13px;color:var(--pink);font-weight:600;margin-bottom:12px}
.solve-card p{font-size:14px;color:var(--muted)}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:26px 18px;text-align:center;position:relative}
.flow-step::after{content:"";position:absolute;right:-13px;top:50%;width:18px;height:2px;background:#CFE0FF}
.flow-step:last-child::after{display:none}
.flow-num{width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;box-shadow:0 8px 18px rgba(27,107,255,.3)}
.flow-step h4{font-size:16px;margin-bottom:6px}
.flow-step p{font-size:13px;color:var(--muted)}
.flow-banner{margin-top:30px;text-align:center;background:linear-gradient(120deg,#EAF2FF,#E4FAFF);border:1px solid #CFE6FF;border-radius:var(--radius);padding:22px}
.flow-banner p{font-size:17px;color:var(--ink-2)}
.flow-banner b{color:var(--blue)}

/* 功能 */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 20px;transition:.2s}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#CFE0FF}
.feature-ic{width:46px;height:46px;border-radius:13px;background:linear-gradient(135deg,#1B6BFF,#22D3EE);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:15px}
.feature-ic .ic{width:24px;height:24px}
.feature-card h3{font-size:16.5px;margin-bottom:8px}
.feature-card p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* 产品图集 */
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.gallery-item{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:.4s}
.gallery-item:hover img{transform:scale(1.03)}
/* ===== PPT 轮播 ===== */
.ppt-carousel{margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow);outline:none}
.ppt-carousel:focus-visible{box-shadow:0 0 0 3px rgba(27,107,255,.22)}
.pc-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.pc-title{font-weight:700;font-size:14.5px;color:var(--ink-2)}
.pc-count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.pc-count b{color:var(--blue);font-size:17px;font-weight:800}
.pc-play-btn{padding:5px 14px;border:1px solid var(--line);background:#fff;border-radius:99px;font-size:12.5px;color:var(--ink-2);cursor:pointer;transition:.18s;font-family:inherit;white-space:nowrap}
.pc-play-btn:hover{border-color:var(--blue);color:var(--blue)}
.pc-play-btn.is-paused{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.pc-stage{position:relative;border-radius:calc(var(--radius) - 4px);overflow:hidden;background:#0E1B33;border:1px solid var(--line)}
.pc-img{display:block;width:100%;aspect-ratio:16/9;object-fit:contain;cursor:zoom-in}
.pc-arrow{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.92);color:#16233f;box-shadow:0 6px 18px rgba(10,30,70,.22);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s;z-index:2}
.pc-arrow:hover{background:#fff;transform:translateY(-50%) scale(1.06)}
.pc-arrow .ic{width:22px;height:22px}
.pc-prev{left:14px}
.pc-prev .ic{transform:rotate(180deg)}
.pc-next{right:14px}
.pc-zoom{position:absolute;right:14px;bottom:12px;padding:5px 12px;border-radius:99px;background:rgba(14,27,51,.72);color:#fff;font-size:12px;opacity:0;transition:.25s;pointer-events:none}
.pc-stage:hover .pc-zoom{opacity:1}
.pc-thumbs{display:flex;gap:10px;overflow-x:auto;padding:14px 2px 4px;scroll-behavior:smooth}
.pc-thumb{flex:none;padding:0;border:2px solid transparent;border-radius:9px;overflow:hidden;background:none;cursor:pointer;line-height:0;transition:.2s;opacity:.7}
.pc-thumb img{width:104px;height:60px;object-fit:cover;display:block}
.pc-thumb:hover{opacity:1;transform:translateY(-3px)}
.pc-thumb.active{border-color:var(--blue);opacity:1}
.pc-thumb.active img{box-shadow:0 6px 16px rgba(27,107,255,.22)}

/* ===== 开屏页（手机端打开 H5 时出现） ===== */
.splash{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;
  overflow:hidden;background:linear-gradient(168deg,#071226 0%,#0C1D3D 52%,#061020 100%)}
.splash.show{display:flex}
.splash-orb{position:absolute;border-radius:50%;filter:blur(58px);opacity:.55;pointer-events:none}
.splash-orb.o1{width:min(80vw,430px);aspect-ratio:1;top:-14%;right:-18%;
  background:radial-gradient(circle,rgba(27,107,255,.85),transparent 68%);
  animation:sp-drift 9s ease-in-out infinite alternate}
.splash-orb.o2{width:min(72vw,370px);aspect-ratio:1;bottom:-16%;left:-14%;
  background:radial-gradient(circle,rgba(34,211,238,.5),transparent 68%);
  animation:sp-drift 11s ease-in-out infinite alternate-reverse}
.splash-grid{position:absolute;inset:0;opacity:.15;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(circle at 50% 45%,#000 25%,transparent 72%);
  mask-image:radial-gradient(circle at 50% 45%,#000 25%,transparent 72%)}
@keyframes sp-drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-22px,26px,0) scale(1.12)}
}
.splash-in{position:relative;z-index:2;text-align:center;padding:0 28px;
  animation:sp-in .9s cubic-bezier(.2,.8,.2,1) both}
@keyframes sp-in{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.splash-badge{position:relative;width:96px;height:96px;margin:0 auto}
.splash-badge img{width:100%;height:100%;border-radius:26px;position:relative;z-index:2;
  box-shadow:0 18px 48px rgba(27,107,255,.55)}
.splash-badge::before,.splash-badge::after{content:"";position:absolute;inset:-14px;border-radius:36px;
  border:1px solid rgba(120,180,255,.45);animation:sp-ring 2.4s ease-out infinite}
.splash-badge::after{animation-delay:1.2s}
@keyframes sp-ring{0%{transform:scale(.86);opacity:.9}100%{transform:scale(1.25);opacity:0}}
.splash-brand{margin-top:30px;font-size:40px;font-weight:800;letter-spacing:.42em;text-indent:.42em;
  color:#fff;text-shadow:0 6px 30px rgba(93,160,255,.45)}
.splash-sub{margin-top:10px;font-size:12.5px;letter-spacing:.5em;text-indent:.5em;color:var(--cyan)}
.splash-bar{width:190px;height:2px;margin:34px auto 0;border-radius:99px;
  background:rgba(255,255,255,.14);overflow:hidden}
.splash-bar i{display:block;height:100%;width:0;border-radius:99px;
  background:linear-gradient(90deg,var(--blue),var(--cyan))}
.splash-tip{margin-top:16px;font-size:13px;color:#9FB8DE;letter-spacing:.06em;
  opacity:0;animation:sp-tip .8s .5s ease forwards}
@keyframes sp-tip{to{opacity:1}}
.splash.out{animation:sp-out .6s cubic-bezier(.4,0,.2,1) forwards}
@keyframes sp-out{to{opacity:0;transform:scale(1.05);visibility:hidden}}
@media (prefers-reduced-motion:reduce){
  .splash-orb,.splash-badge::before,.splash-badge::after{animation:none}
}

/* 算力成本 */
.cost-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cost-card{background:rgba(255,255,255,.055);border:1px solid rgba(120,160,230,.22);border-radius:var(--radius);padding:30px 26px;text-align:center}
.cost-ic{width:56px;height:56px;border-radius:16px;background:rgba(90,140,255,.18);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;color:#7FB2FF}
.cost-ic .ic{width:30px;height:30px}
.cost-card h3{font-size:16.5px;color:#DCE8FF;font-weight:600;margin-bottom:14px}
.cost-num{font-size:16px;color:#A9C0E4}
.cost-num b{font-size:34px;color:#fff;font-weight:800;margin:0 4px}
.cost-price{font-size:20px;font-weight:800;color:var(--cyan);margin:8px 0 6px}
.cost-sub{font-size:12.5px;color:#7E97BE}
.cost-compare{margin-top:30px;display:grid;grid-template-columns:1fr auto 1fr;gap:20px;align-items:stretch}
.cc-col{background:rgba(255,255,255,.04);border:1px solid rgba(120,160,230,.2);border-radius:var(--radius);padding:26px}
.cc-col h4{font-size:18px;margin-bottom:16px}
.cc-old h4{color:#FF9DBB}
.cc-new{border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.06)}
.cc-new h4{color:#5EE9B5}
.cc-col ul{list-style:none;display:grid;gap:11px}
.cc-col li{font-size:14.5px;color:#C3D3EE;padding-left:22px;position:relative}
.cc-col li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:#5A7CB0}
.cc-new li::before{background:#34D399}
.cc-col li b{color:#fff}
.cc-arrow{display:flex;align-items:center;justify-content:center;color:#5A7CB0}
.cc-arrow .ic{width:30px;height:30px}

/* 代理政策 */
.agent-modes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:36px}
.mode-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;position:relative;transition:.25s}
.mode-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.mode-card .ic{width:36px;height:36px;color:var(--blue);margin-bottom:14px}
.mode-card h3{font-size:19px;margin-bottom:10px}
.mode-card p{font-size:14px;color:var(--muted)}
.mode-card.hot{border-color:var(--blue);background:linear-gradient(160deg,#F2F7FF,#EAF3FF);box-shadow:0 16px 40px rgba(27,107,255,.14)}
.hot-tag{position:absolute;top:-12px;right:20px;background:var(--grad);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:99px}
.agent-math{background:linear-gradient(135deg,#0E2043,#123163);border-radius:var(--radius);padding:34px;color:#EAF1FF;margin-bottom:30px}
.math-head h3{font-size:22px;color:#fff}
.math-head p{color:#9FB8DE;font-size:14px;margin-top:6px}
.math-body{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.math-col{background:rgba(255,255,255,.06);border:1px solid rgba(120,160,230,.22);border-radius:var(--radius-sm);padding:22px}
.math-col.hi{background:linear-gradient(135deg,rgba(255,176,32,.18),rgba(255,61,139,.12));border-color:rgba(255,176,32,.5)}
.math-label{font-size:13px;color:#9FB8DE;display:block;margin-bottom:8px}
.math-col strong{font-size:24px;font-weight:800;color:#fff;display:block}
.math-col.hi strong{color:#FFD27A}
.math-col em{font-size:12.5px;color:#8AA2C8;font-style:normal}
.math-note{margin-top:20px;font-size:12px;color:#7E97BE}
.agent-table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.agent-table{width:100%;border-collapse:collapse;min-width:620px}
.agent-table th,.agent-table td{padding:16px 20px;text-align:left;font-size:14.5px}
.agent-table thead th{background:linear-gradient(120deg,#123163,#1B6BFF);color:#fff;font-weight:700;font-size:14px}
.agent-table tbody tr{border-top:1px solid var(--line)}
.agent-table tbody tr:nth-child(even){background:#F7FAFF}
.agent-table td:nth-child(3){color:var(--blue);font-weight:700}
.agent-table td:nth-child(4){color:#D97706;font-weight:700}

/* 客户价值 */
.value-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:start}
.value-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.value-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px}
.value-item .ic{width:26px;height:26px;color:var(--blue);margin-bottom:10px}
.value-item h4{font-size:16px;margin-bottom:6px}
.value-item p{font-size:13.5px;color:var(--muted)}
.metric-panel{background:linear-gradient(150deg,#0E2043,#153A73);border-radius:var(--radius);padding:28px;color:#EAF1FF;position:sticky;top:88px}
.metric-panel h4{font-size:17px;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:18px}
.metric-panel h4 .ic{width:24px;height:24px;color:var(--cyan)}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric-grid span{background:rgba(255,255,255,.07);border:1px solid rgba(120,160,230,.2);border-radius:10px;padding:11px 13px;font-size:13px;color:#C7D8F2}

/* 案例 */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.case-card{border-radius:var(--radius-sm);overflow:hidden;position:relative;border:1px solid var(--line);background:#0A1730;aspect-ratio:4/5;transition:.25s;cursor:pointer}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case-card img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:.4s}
.case-card:hover img{transform:scale(1.06);opacity:1}
.case-card .case-info{position:absolute;left:0;right:0;bottom:0;padding:16px;background:linear-gradient(transparent,rgba(8,18,40,.88));color:#fff}
.case-card .case-name{font-size:15.5px;font-weight:700}
.case-card .case-tag{font-size:11.5px;color:#9FC4FF;margin-top:2px}
.case-play{position:absolute;top:12px;right:12px;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;color:var(--blue)}
.case-play .ic{width:16px;height:16px;margin-left:2px}
.case-note{text-align:center;color:var(--muted);font-size:13.5px;margin-top:24px}

/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.25s;display:block}
.dl-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--blue)}
.dl-card .ic{width:30px;height:30px;color:var(--blue);margin-bottom:14px}
.dl-card h3{font-size:17px;margin-bottom:6px}
.dl-card p{font-size:13px;color:var(--muted);word-break:break-all}
.dl-go{margin-top:14px;display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:14px}
.dl-go .ic{width:16px;height:16px;margin:0}

/* 免费领资料 */
.res-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:920px;margin:0 auto 36px}
.res-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;position:relative;overflow:hidden;transition:.25s}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.res-ic{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#E9F1FF,#DDF7FF);color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.res-ic .ic{width:28px;height:28px}
.res-card h3{font-size:19px;margin-bottom:10px}
.res-card p{font-size:14px;color:var(--muted);margin-bottom:18px}
.res-link{font-size:14.5px;display:none}
.res-grid.unlocked .res-link{display:inline-flex}
.res-lock{position:absolute;inset:0;background:linear-gradient(180deg,#FCFDFF,#F3F8FF);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;text-align:center;padding:24px 22px;cursor:pointer;transition:.2s}
.res-lock:hover{background:linear-gradient(180deg,#F7FBFF,#E9F2FF)}
.res-lock .lk-ic{width:40px;height:40px;color:#fff;background:var(--grad);border-radius:12px;padding:9px;box-shadow:0 10px 22px rgba(27,107,255,.3)}
.res-lock strong{font-size:16.5px;color:var(--ink);font-weight:800;letter-spacing:.3px}
.res-lock .lk-cta{display:inline-flex;align-items:center;gap:7px;background:var(--grad);color:#fff;font-size:13.5px;font-weight:700;padding:9px 18px;border-radius:99px;box-shadow:0 8px 20px rgba(27,107,255,.3)}
.res-lock .lk-cta .ic{width:15px;height:15px}
.res-lock .lk-note{font-size:12px;color:var(--muted);font-weight:500}
.res-grid.unlocked .res-lock{display:none}
.res-contact{display:flex;align-items:center;gap:16px;flex-wrap:wrap;border-radius:14px;transition:.3s}
.res-contact.flash{background:#EAF3FF;box-shadow:0 0 0 12px #EAF3FF}
.res-contact .contact-btn{background:#F2F7FF;border:1px solid #D8E8FF;color:var(--ink-2)}
.res-contact .contact-btn:hover{background:#E5EFFF}
.res-contact .contact-btn b{color:var(--blue)}
.res-qr{width:116px;height:116px;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px;box-shadow:var(--shadow);flex:none}
.res-qr span{display:flex;height:100%;align-items:center;justify-content:center;font-size:12px;color:var(--muted)}
.lead-qr.has-img,.res-qr.has-img{display:block;padding:6px;overflow:hidden;background:#fff}
[data-qr] img{width:100%;height:100%;object-fit:contain}
/* 复制兜底弹窗 */
.copy-mask{position:fixed;inset:0;z-index:200;background:rgba(10,23,48,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:24px}
.copy-dialog{background:#fff;border-radius:var(--radius);padding:28px;width:100%;max-width:360px;box-shadow:var(--shadow-lg);text-align:center}
.copy-dialog h4{font-size:17px;margin-bottom:14px}
.copy-input{width:100%;text-align:center;font-family:ui-monospace,Menlo,monospace;font-size:18px;font-weight:700;color:var(--blue);border:1.5px solid var(--line);border-radius:11px;padding:12px;background:#F7FAFF}
.copy-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(27,107,255,.1)}
.copy-dialog p{font-size:12.5px;color:var(--muted);margin:12px 0 18px;line-height:1.6}
.copy-actions{display:flex;gap:10px;justify-content:center}
.res-form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;max-width:920px;margin:0 auto;box-shadow:var(--shadow)}
.res-form-copy h3{font-size:19px;margin-bottom:12px}
.res-form-copy>p{font-size:14.5px;color:var(--ink-2);margin-bottom:14px}
.res-copy-note{background:#F2F7FF;border:1px solid #D8E8FF;border-radius:12px;padding:14px;font-size:13.5px;color:var(--ink-2);margin:0 0 16px !important}
.res-copy-note b{color:var(--blue)}
.res-form h3{font-size:18px;margin-bottom:16px}
.res-form .field{margin-bottom:14px}
.res-form .form-ok{margin-top:14px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit}
.faq-q::after{content:"+";font-size:22px;color:var(--blue);font-weight:400;transition:.2s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:.3s;padding:0 24px;color:var(--muted);font-size:14.5px}
.faq-item.open .faq-a{max-height:300px;padding-bottom:20px}

/* 获客 */
.lead{background:radial-gradient(1000px 500px at 10% 0,#153A73,transparent),linear-gradient(160deg,#0A1730,#0E2043);color:#EAF1FF}
.lead-inner{display:grid;grid-template-columns:1fr .92fr;gap:44px;align-items:center}
.lead-copy h2{font-size:clamp(24px,3vw,34px);color:#fff;margin:16px 0 14px;line-height:1.25;font-weight:800}
.lead-copy>p{color:#A9C0E4;font-size:16px}
.lead-list{list-style:none;margin:22px 0;display:grid;gap:12px}
.lead-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:#DCE8FF}
.lead-list .ic{width:20px;height:20px;color:#fff;background:rgba(52,211,153,.9);border-radius:50%;padding:3px;flex:none}
.lead-contact{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:22px}
.contact-btn{background:rgba(255,255,255,.08);border:1px solid rgba(120,160,230,.3);color:#DCE8FF;padding:12px 20px;border-radius:12px;cursor:pointer;font-size:14px;font-family:inherit;transition:.2s}
.contact-btn:hover{background:rgba(255,255,255,.14)}
.contact-btn b{color:#5EE9B5;font-family:ui-monospace,Menlo,monospace}
.lead-qr{width:118px;height:118px;border-radius:12px;background:rgba(255,255,255,.9);color:#5C6E8C;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:12px;font-weight:600;line-height:1.5;background-image:repeating-conic-gradient(rgba(27,107,255,.10) 0 25%,transparent 0 50%);background-size:14px 14px}
.lead-qr small{font-size:10px;color:#8A9AB5}
.lead-form{background:#fff;border-radius:var(--radius);padding:34px 32px;box-shadow:var(--shadow-lg);color:var(--ink)}
.lead-form h3{font-size:20px;margin-bottom:20px}
.field{margin-bottom:16px}
.field.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field.row>div{display:flex;flex-direction:column}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:7px}
.req{color:var(--pink)}
.field input,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:11px;padding:12px 14px;font-size:14.5px;font-family:inherit;color:var(--ink);transition:.2s;background:#FBFDFF}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(27,107,255,.1)}
.field textarea{resize:vertical}
.hp{position:absolute;left:-9999px;opacity:0}
.chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{border:1.5px solid var(--line);background:#fff;border-radius:99px;padding:9px 20px;font-size:14px;color:var(--ink-2);cursor:pointer;font-family:inherit;font-weight:600;transition:.2s}
.chip.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(27,107,255,.28)}
.form-tip{font-size:12px;color:var(--muted);text-align:center;margin-top:12px}
.form-ok{margin-top:16px;background:#E7FBF2;border:1px solid #A8E9CE;border-radius:12px;padding:16px;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}
.form-ok .ic{width:28px;height:28px;color:#12A05C}
.form-ok strong{color:#0E7A46;font-size:15px}
.form-ok span{font-size:13px;color:#2A6E52}

/* Footer */
.footer{background:#071229;color:#9FB4D6;padding:54px 0 24px}
.footer-inner{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:32px;border-bottom:1px solid rgba(120,160,230,.16)}
.footer-brand{display:flex;gap:14px;align-items:flex-start;max-width:420px}
.footer-brand img{width:52px;height:52px;border-radius:13px}
.footer-brand strong{color:#fff;font-size:18px;display:block;margin-bottom:6px}
.footer-brand p{font-size:13.5px;color:#8296B8}
.footer-links{display:flex;gap:64px}
.footer-links h4{color:#fff;font-size:14.5px;margin-bottom:14px}
.footer-links a{display:block;font-size:13.5px;color:#9FB4D6;margin-bottom:9px;transition:.2s}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;font-size:12.5px;color:#6B80A3}

/* 悬浮条 */
.float-bar{position:fixed;right:22px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.fb-primary{background:var(--grad);color:#fff;font-weight:700;padding:13px 20px;border-radius:99px;box-shadow:0 12px 28px rgba(27,107,255,.4);display:flex;align-items:center;gap:8px;font-size:14.5px;transition:.2s}
.fb-primary:hover{transform:translateY(-2px)}
.fb-primary .ic{width:18px;height:18px}
.fb-btn{width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;color:var(--blue);cursor:pointer;transition:.2s}
.fb-btn:hover{transform:translateY(-2px)}
.fb-btn .ic{width:22px;height:22px}

/* ===== 响应式 ===== */
@media(max-width:1080px){
  .feature-grid,.solve-grid{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:repeat(3,1fr)}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .nav-cta{margin-left:auto}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:68px;left:-22px;right:-22px;
    background:#fff;padding:16px 26px;gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);margin:0}
  .nav-links.open a{padding:12px 0;border-bottom:1px solid #F0F4FB;font-size:16px}
  .nav-links.open a::after{display:none}
}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:20px}
  .hero-visual{height:440px;order:-1}
  .value-wrap,.lead-inner{grid-template-columns:1fr}
  .metric-panel{position:static}
  .trend-grid,.pain-grid,.cost-grid,.agent-modes,.math-body,.gallery-grid,.dl-grid{grid-template-columns:1fr}
  .res-grid,.res-form-wrap{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr 1fr}
  .flow-step::after{display:none}
  .cost-compare{grid-template-columns:1fr}
  .cc-arrow{transform:rotate(90deg)}
}
@media(max-width:620px){
  .section{padding:56px 0}
  .nav-cta .btn-ghost{display:none}
  /* 导航品牌：窄屏下会被挤成竖排单字，这里锁住不收缩 */
  .brand{flex:none}
  .brand-text{flex:none}
  .brand-text strong,.brand-text span{white-space:nowrap}
  .brand-text span{display:none}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid,.solve-grid,.flow-grid,.value-list,.metric-grid,.dl-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .scene-strip{gap:14px}
  .lead-form{padding:26px 20px}
  .field.row{grid-template-columns:1fr}
  .footer-links{gap:36px}
  .ppt-carousel{padding:16px 14px}
  .pc-arrow{width:38px;height:38px}
  .pc-arrow .ic{width:19px;height:19px}
  .pc-prev{left:8px}
  .pc-next{right:8px}
  .pc-thumb img{width:84px;height:48px}
  /* 手机端压缩首屏，让「完整产品 PPT」板块的位置尽量贴近 PC 端 */
  .section{padding:46px 0}
  .hero{padding:18px 0 8px}
  /* 样机本身高 508px，容器压太矮会溢出重叠，故改为保持高度 + 等比缩放。
     注意：.hero-phone 带 floaty 动画，动画里的 transform 会覆盖静态 transform，
     所以必须用带 scale 的独立关键帧，只写 transform:scale 是无效的。 */
  .hero-visual{height:312px}
  .hero-phone{animation:floaty-s 6s ease-in-out infinite}
  .hero-mascot{width:112px;left:-4px;bottom:-4px}
  .float-chip{display:none}          /* 浮动信息卡在窄屏会压住样机与文案 */
  .hero-inner{gap:12px}
  .hero h1{font-size:29px;line-height:1.26}
  .hero-sub{font-size:13.5px;margin-top:10px}
  .hero-points{margin-top:14px;gap:7px}
  .hero-points li{font-size:13.5px}
  .hero-actions{margin-top:16px;gap:9px}
  .hero-actions .btn-lg{padding:12px 16px;font-size:15px}
  .hero-stats{margin-top:16px}
  .hero-stats strong{font-size:23px}
  .eyebrow{font-size:11.5px;padding:4px 10px}
  .scene-strip{padding:12px 0}
}

/* ===== 价格政策（版本对比表） ===== */
.policy-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid rgba(120,160,230,.25);background:rgba(255,255,255,.04)}
.policy-table{width:100%;border-collapse:collapse;min-width:640px}
.policy-table th,.policy-table td{padding:16px 18px;text-align:center;font-size:14.5px;color:#DCE8FF;border-top:1px solid rgba(120,160,230,.16)}
.policy-table thead th{background:rgba(255,255,255,.07);color:#fff;font-weight:700;font-size:15px;border-top:0;white-space:nowrap}
.policy-table tbody th{text-align:left;color:#9FB8DE;font-weight:600;white-space:nowrap;background:rgba(255,255,255,.03)}
.policy-table .ph-corner{text-align:left;color:#9FB8DE;font-weight:600}
.policy-table b{font-size:20px;color:#fff;font-weight:800;letter-spacing:.5px}
.policy-table thead th.hot{background:linear-gradient(120deg,#1B6BFF,#22D3EE);color:#06222b}
.policy-table thead th.hot em{display:inline-block;margin-left:6px;padding:1px 8px;border-radius:99px;background:rgba(255,255,255,.4);color:#06222b;font-style:normal;font-size:11.5px;font-weight:800;vertical-align:middle}
.policy-table tbody td.hot{background:linear-gradient(180deg,rgba(34,211,238,.16),rgba(27,107,255,.12));color:#EAF1FF}
.policy-table tbody tr:first-child td{color:#fff}
.policy-note{margin-top:16px;font-size:12.5px;color:#8AA2C8;text-align:center}
.agent-cta{margin-top:30px;text-align:center}
.agent-cta p{color:var(--muted);font-size:15px;margin-bottom:16px}
.agent-cta .btn{margin:0 6px}

/* 按 IP 动态区域文案（默认静态文案 GEO 友好；JS 成功改写后切换绿色提示） */
.geo-region{display:inline-flex;align-items:center;gap:7px;margin:6px 0 4px;padding:8px 15px;border-radius:999px;
  background:linear-gradient(120deg,#EAF2FF,#E4FAFF);border:1px solid #CFE6FF;
  font-size:13.5px;font-weight:600;color:var(--blue-d);box-shadow:var(--shadow)}
.geo-region[data-geo="1"]{background:linear-gradient(120deg,#E8FBF0,#EAF3FF);border-color:#BFE9D4;color:#0E7A46}